---
title: "AP Physics 2 Key Terms"
description: "529 AP Physics 2 key terms and definitions organized by AP® Course and Exam Description unit."
canonical: "https://fiveable.me/ap-physics-2-revised/key-terms"
type: "key-terms-hub"
subject: "AP Physics 2"
---

# AP Physics 2 Key Terms

## Overview

529 AP Physics 2 key terms and definitions organized by AP® Course and Exam Description unit.

## Units

- [Unit 9: Unit 9 – Thermodynamics](/ap-physics-2-revised/key-terms/unit/9): 59 terms across 6 topics
- [Unit 10: Unit 10 – Electric Force, Field, and Potential](/ap-physics-2-revised/key-terms/unit/10): 77 terms across 6 topics
- [Unit 11: Unit 11 – Electric Circuits](/ap-physics-2-revised/key-terms/unit/11): 55 terms across 7 topics
- [Unit 12: Unit 12 – Magnetism and Electromagnetism](/ap-physics-2-revised/key-terms/unit/12): 55 terms across 4 topics
- [Unit 13: Unit 13 – Geometric Optics](/ap-physics-2-revised/key-terms/unit/13): 57 terms across 4 topics
- [Unit 14: Unit 14 – Waves, Sound, and Physical Optics](/ap-physics-2-revised/key-terms/unit/14): 130 terms across 9 topics
- [Unit 15: Unit 15 – Modern Physics](/ap-physics-2-revised/key-terms/unit/15): 96 terms across 8 topics

## Related Resources

- [AP Physics 2 subject hub](/ap-physics-2-revised)
- [All AP® key terms](/key-terms)

## About This Document

Canonical Fiveable pages are available as Markdown at the same path plus `.md`.

- [llms.txt](https://fiveable.me/llms.txt): index of Fiveable's sections and URL patterns
- [llms-full.txt](https://fiveable.me/llms-full.txt): complete subject and unit listing
- [MCP server](https://fiveable.me/mcp): call Fiveable as tools instead of fetching pages (`https://fiveable.me/api/mcp`)
- [MCP server for AP teachers](https://fiveable.me/mcp/teachers): a teacher's classes, assignments and AP-rubric grading (`https://fiveable.me/api/mcp/teacher`)